Cooling device.



M, w. BURKHALTER. COOLING DEVICE.

v PPLIUATION Hmm 001217.11911'.

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l Attorneys Papentea 0111.211911.

M. W. BURKHALTER.

COOLING DEVICE. APPLICATION FILED 001217. 1910.

1,006,463. Patented oct. 24,1911.

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Inventor,

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MIL() W'. BURKHALTER, 0F KERENS, TEXAS.

COOLING DEVICE.

. To all whom it may concern:

Be it known that I, Mino W. BURKHAL- TER, a citizen of the UnitedStates, residing at Kerens, in the county of Navarro and State of Texas,have invented a new and useful Cooling Device, of which the following isa. specification.

Generally speaking, this invention belongs to the art of refrigeration,and it more particularly pertains to that class of devices ofthe `aboveart,'which employ an absorbent surface for absorbing and conveying acooling'fluid from an upper level or strata `to a lower one. Vhile thisprocess 'is being carried out, the warm air draft `which enters belowthe device, is cooled as it ascends.

The primary object of the invention is to provide a. device embodyingthe above method for cooling milk, cream or the like.

A further object of the invention is to provide a collapsible orknock-down structure, which when erected and supplied with an absorbentsurface, as shown in Figure 1 of the "drawings, permits the above method'to be successfully carried out. However, when in a knocked down orcollapsed state, the parts thereof can be arranged'in a very smallcompass, in order to be shipped.

This device not only consists of the above principles, but also includesthe characteristics of a refrigerator. y 1

Other articles `may be arranged in the refrigerator i or cooling device,than milk, cream and the like, for instance, meats, vegetables, andsimilar articles. ln the drawings, however, there is disclosed but oneparticular form of the invention, but in practical fields this form mayrequire slight alterations, to which the applicant is ent-itled,provided the alterations are comprehended'in the appended claim.

Other features and combinations of parts will hereinafter be set forth,shown in the drawings, and claimed. f

In the drawings, Fig. 1 is a vertical sectional view through the coolingdevice or refrigerator, showing the various features of the invention.Fig. 2 fis a sectional view on line 2-2 of Fig. l. Fig. 8 is ahorizontal sectional view on line 3-3 of Fig. l, with parts broken away'in order to show further features in elevation. Fig. t is a view inperspective, showing the various parts of the cooling device orrefrigerator in a knock-down or collapsed state, and arrangedSpecification of Lettersratent. Patentedvot. 24.-, 1911. Applicationfiled October 17, 1910. Serial-No. 587,455

in a small compass, in such wise as to permit the same to be properlytied or secured together for the purpose of shipping. y

Attention is directed to the annexed drawings, in which the preferredform of the in'- vention is disclosed.

1 denotes the bottom supporting or base pan, from the four corners ofwhich suitable legs 2 depend. Arranged within the pan adjacent the fourcorners thereof are sheet lmetal lugs These lugs 3 are'formed with.

extensions 11, which are folded parallel with the body of the said lugs.Between the extensions 1 and the body of the lugs the inclined uprights5 of a frameare pivoted, which in Fig. 4, however, are shown collapsedand extended in opposite directions across the said bottom pan. Theseinclined uprights are approximately L-shaped in cross section and aresupplied with obliquely arranged slots 6, the lower portions of whichmerge into the semioircular apertures 7.

Extending across the frame and arranged turned flanges 13, which are forthe purpose of holdingthe'contents of. the shelves in` place. Theshelves 11 are supplied with apertures 14,"through which passes the air,which enters the screened openings .15 of the base pan 1,'and finds itsexit through the screened openings 16 of the upper pan l2. The screenedopenings 15 are surroundedby cylindrical sleeves or flanges 17, asshown-in Figs. 2 and 3. The openings 16are also surrounded bycylindrical sleeves or lianges, as shown at 18. The air which enters theopenings 15 is considerably cooled as it ascends through the structureby way of the apertures 1i, when the cooling .fluid is descending byvirtue of the fabric cloth or curtain 19, through the medium ofcapillary attraction. This fabric clothor curtain surrounds-the entirestructure, and has its upper portion extending over the edge of theupper pan 12 and into the cooling fluidor liquid therein, as shown inFig. 1. The Ycloth or fabric isV secured in this positin by :means -orcloth, the .depth of the fluid in the an.

of smallv hooks 20 which extend through the .curtain or cloth.

The cooling device or refrigerator is pro .vided with an automatic feed'for supplying i the upper pan 12 with water, which consists vposition'in the upper pan 12 with the open- A111g 22 adjacent `the bottom thereofin such a manner as to allow the cooling fluid 0r .liquid fo gradual ly-low fromthe tank. This it will do until'the depth thereof vreaches alevel even with the top of the opening, 22', when thellow of liquid fromthe tank 1,2'1s cut oiffHowever, as soon as the coolingliquid or fluidis, absorbed by thecurtain 1,2 diminishes, and as this occurs the uidwthin'the tank-21'replenishes the pan 12. Whenthebase pan 1 becomesfilled, the same vmay` bel emptied very'easily by removing thev ,screwplug24 shown in Figs. 1 and 4. By placing" a receptacle beneath ornconnecting y"atube orv hose lto theilange opening, (with which the capor plug 24 engages) the con- 31h-,tents ,of tlrelpan. lpmay be drawnofil ,and dispose` Aof in any suitable manner. enthe Q Ooling lluid ,orliquid in the tank-is utilized o r'consumed, the same/may be againsupplied by'removing the tank andallowing the -fluid to pass thereintoby way of the open` ing 22. The tankis again arranged in position asshown in Fig. 1, and the `absorption of the fluid is repeated by virtueof the cloth for. curtain. As the cooling iuidor liquid .descends bywayof the curtain or cloth, the

ascending airis not only cooled but is Vto 'a 'certain extent moistened;and as the liquid Vis descending there is `a very slight suction caused,which tends to draw the warm air through 'the screened openings 15, frombelow the pan 1.

By examining the annexed drawings, in connection with the abovedescription, one may observe that there has been provided a novel formof cooling deviceor refrigerator, and one which may bequickly erected,or knocked down or collapsed. It will be observed that a deviceconstructed along'these lines will fulfil n the various requirements andpractical demands.

The upper pan 12' upon its longitudinal sides is provided with elongatedsockets 26, which Areceive the upper ends of the Said angularly arrangeduprights. In order to permit the ends of the uprights to be received by`said sockets one side of the L- shaped uprights are cut away, as shownin Fig. 4, as at 27.

The invention having been set forth, what is claimed as-newand usefulis: j

In a .cooling device, theV combination with a base pan, lugs securedwithin its corners and each having an extension folded parallel l.withthe body of the lugs, uprights of L- shaped cross section whose lowerextremities are pivoted to said lugs and whose upper extremities haveone side of the L. cut away, and an upper pan having sockets at itscorners to receive said cut away portions, said uprights having obliuely arranged slots be# tween said pans; o wires engaging said slotsremovably, shelves having downturned flanges removably engaging saidwires,`and'

